Toothbrush



FIG. 1 is a perspective view of a toothbrush;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof, an opposing bottom view thereof is a mirror image of the top view;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a detail perspective view of the rear side of the head of the toothbrush. 

The ornamental design for a toothbrush, as shown and described. 